Which of the following represents a function? A. (4,1), (4,2), (4,3), (4,4)
B. (-3,4), (-3,4), (-3,-4), (-3,-4)
C. (5,2), (6,2), (-5,-2), (-6,-2)
D. (6,8), (-2,4), (7,7), (6,5)

Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot

On a piece of paper graph f(x)=5•(0.4)^x

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct